黒くろらか

noun

deep blackness; pitch black

Rare, classical or poetic word for a deep, profound blackness. Not used in everyday modern Japanese; the common word is 真っ黒 (まっくろ).

• 古こ典てんでは「黒くろらかなる闇やみ」のように使つかわれることがある。

  In classical texts, it is sometimes used as in 'pitch-black darkness'.